| Power inverter 12V-220V |
A very simple power inverter 12V to 220V with astable multivibrator. |
2.93 |
42,674 |
| Automatic battery charger |
Smart scooter battery charger with TLC271. |
2.86 |
25,814 |
| Power supply 0-24V 1A or 2A |
Ideal power supply circuit. |
2.88 |
23,420 |
| Regulated power supply 1.27V to 25V |
Schematics of great power supply with voltage regulation with LM338K (1.27-25V, up to 5A). |
2.91 |
11,686 |
| Lead-acid accumulator charger |
A device that maintains specific voltage across lead acid battery by switching charger ON/OFF. |
2.90 |
10,120 |
| Power supply with regulation and short-circuit protection |
Power supply with regulation and short-circuit protection 5A, 20V max. |
2.91 |
9,949 |
| Power inverter 12V-220V 100W |
Power inverter 12V-220V 100W. |
2.86 |
9,132 |
| Smart battery tester and charger |
Intelligent battery tester and charger of all types of rechargeable batteries. |
2.94 |
9,000 |
| Automatic emergency light |
Automatic emergency light with charger and automatic light switch. |
2.94 |
8,617 |
| Power supply 0-15V |
Regulated power supply in range 0-15V with 2N3055. |
2.95 |
8,204 |
| Smart battery charger |
Smart battery charger. |
2.82 |
7,798 |
| Triac regulation |
Regulated power supply with triac and PIC microcontroller. Can be used as a light dimmer. |
2.91 |
7,093 |
| Battery chargers |
Li-Ion, Ni-MH, Ni-Cd battery charger schematics and theory about charging them. |
2.91 |
6,942 |
| Car battery voltage indicator |
Car battery voltage indicator with LED. |
2.90 |
6,776 |
| Solar panels |
All about solar panels, connecting schematics, usage, maintenance... |
2.87 |
6,607 |
